Conductance in a one-dimensional spin polarized gas

D. Schmeltzer, E. Kogan, R. Berkovits, M. Kaveh

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Abstract

We present a theoretical analysis of the recent experimental results of Thomas et al. on transport properties of spin-polarized quantum wires. We suggest an explanation of the observed deviations of the conductance from the universal value G = 2e2/h per channel in the wire. We argue that the new quasiplateau observed for the conductance at the value G = 1.4e2/h is a result of the proximity between the spin-polarized phase and the metallic phase The enhancement of the conductance from the value G = e2/h to G = 1.4e2/h is due to the hybridization of the electronic state at K↓F≈ 0 with the chiral states at K↑F and K↑F.

Original languageEnglish
Pages (from-to)1189-1194
Number of pages6
JournalPhilosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
Volume77
Issue number5
DOIs
StatePublished - May 1998

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